Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
What is the atomic number of Yttrium?
23
29
33
39
Correct answer is D
No explanation has been provided for this answer.
What is the atomic number of Strontium?
38
39
40
41
Correct answer is A
No explanation has been provided for this answer.
What is the atomic number of Rubidium?
11.7
14
37
45.5
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Krypton?
77
89
36
4
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Bromine?
27
30
35
38
Correct answer is C
No explanation has been provided for this answer.